Intel 855PM Design Manual page 336

Chipset platform for use with pentium m and celeron m processors
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A
4,6,9,17,41
+V1.5S
8
+V1.5S_MCH
R116
4
0.01_1%
37,39
+V1.2S_MCH
4,8,17,41
+V1.8S
6,8,42
+V1.8S_MCH
3
R122
0.01_1%
2
8,40
+V2.5_MCH
R422
NO_STUFF_10K
42
MCH_RSVD3
42
MCH_RSVD4
42
MCH_RSVD5
42
MCH_RSVD6
42
MCH_ETS#
42
MCH_RSVD7
6,8,42
+V1.8S_MCH
42
MCH_RSVD8
42
MCH_RSVD9
C420
1
0.1UF
C424
10UF
9,15,17,20,24,27,29,32,34,36,40,41
+V3.3
A
B
U28B
855PM_MCH_Rev005A
AA22
U7
VCCAGP0
ADS#
AA26
V4
VCCAGP1
HTRDY#
R22
W2
VCCAGP2
DRDY#
R29
Y4
VCCAGP3
DEFER#
U22
Y3
VCCAGP4
HITM#
U26
Y5
VCCAGP5
HIT#
W22
W3
VCCAGP6
HLOCK#
W29
V7
VCCAGP7
BR0
AB21
V3
VCCAGP8
BNR#
AC29
Y7
VCCAGP9
BPRI#
AD21
V5
VCCAGP10
DBSY#
AD23
W7
VCCAGP11
RS0#
AE26
W5
VCCAGP12
RS1#
AF23
W6
VCCAGP13
RS2#
AG29
VCCAGP14
AJ25
AB10
VCCAGP15
VTT0
AB14
VTT1
N14
AB18
VCC0
VTT2
N16
AB20
VCC1
VTT3
+VCCP
P13
AB8
VCC2
VTT4
P15
AC19
VCC3
VTT5
P17
AD18
VCC4
VTT6
R14
AD20
VCC5
VTT7
R16
AE19
VCC6
VTT8
T15
AE21
VCC7
VTT9
U14
AF18
VCC8
VTT10
U16
AF20
VCC9
VTT11
AG19
VTT12
L25
AG21
VCCHL0
VTT13
L29
AG23
VCCHL1
VTT14
M22
AJ19
VCCHL2
VTT15
N23
AJ21
VCCHL3
VTT16
N26
AJ23
VCCHL4
VTT17
M8
VTT18
T8
VTT19
A13
VCCSM0
A17
VCCSM1
A21
VCCSM2
A25
VCCSM3
A5
VCCSM4
A9
VCCSM5
C1
VCCSM6
C29
VCCSM7
D11
VCCSM8
D15
VCCSM9
3,4,5,15,16,17,37,39,42
D19
VCCSM10
D23
VCCSM11
D25
VCCSM12
D7
VCCSM13
E5
VCCSM14
F10
VCCSM15
F14
VCCSM16
F16
VCCSM17
F18
VCCSM18
F22
VCCSM19
G1
VCCSM20
G29
VCCSM21
H10
VCCSM22
G16
H12
RSVD3
VCCSM23
G10
H14
RSVD4
VCCSM24
G9
H16
RSVD5
VCCSM25
H7
H18
RSVD6
VCCSM26
+VCCP 3,4,5,15,16,17,37,39,42
H4
H20
ETS#
VCCSM27
H3
H22
RSVD7
VCCSM28
G3
H24
RSVD8
VCCSM29
G2
H5
RSVD9
VCCSM30
H8
1
VCCSM31
T17
J6
VCCGA
VCCSM32
T13
K22
3
VCCHA
VCCSM33
K24
VCCSM34
K26
VCCSM35
NO_STUFF_CON3_HDR
K7
VCCSM36
L23
VCCSM37
J47
NO_STUFF_CON3_HDR
B
C
3
H_A#[31:3]
H_ADS# 3
H_TRDY# 3
H_DRDY# 3
H_DEFER# 3
H_HITM# 3
H_HIT# 3
H_LOCK# 3
H_BR0# 3
H_BNR# 3
H_BPRI# 3
H_DBSY# 3
H_RS#0
H_RS#1
H_RS#2
H_RS#[2:0] 3
3,4,5,15,16,17,37,39,42
+V2.5_MCH
8,40
+VCCP
3,4,5,15,16,17,37,39,42
3
H_REQ#[4:0]
14
CLK_MCH_BCLK#
R380
C404
301_1%
0.01UF
R133
49.9_1%
14
CLK_MCH_BCLK
R383
R132
49.9_1%
150_1%
HSWING[1:0]
18 mil trace
R389
R384
27.4_1%
27.4_1%
10 mil space
+VCCP
R394
C415
LAYOUT NOTE:
301_1%
0.01UF
H_CPURST# forks
at 855PM pin
3,5,42
R393
150_1%
3,5,42
3,4,5,15,16,17,37,39,42
+VCCP
NOTE:
Max length of
MCH_GTLREF is
R3003
0.5"
49.9_1%
1
MCH_GTLREF_D
2
MCH_REF3
R392
2
3
NO_STUFF_0
J24
J3002
NO_STUFF_CON3_HDR
R3004
100_1%
C
D
U28C
855PM_MCH_Rev005A
H_A#3
U6
HA3#
H_A#4
T5
HA4#
H_A#5
R2
HA5#
H_A#6
U3
HA6#
H_A#7
R3
HA7#
H_A#8
P7
HA8#
H_A#9
T3
HA9#
H_A#10
P4
HA10#
H_A#11
P3
HA11#
H_A#12
P5
HA12#
H_A#13
R6
HA13#
H_A#14
N2
HA14#
H_A#15
N5
HA15#
H_A#16
N3
HA16#
H_A#17
J3
HA17#
H_A#18
M3
HA18#
H_A#19
M4
HA19#
H_A#20
M5
HA20#
H_A#21
L5
HA21#
H_A#22
K3
HA22#
H_A#23
J2
HA23#
H_A#24
N6
HA24#
H_A#25
L6
HA25#
H_A#26
L2
HA26#
H_A#27
K5
HA27#
H_A#28
L3
HA28#
H_A#29
L7
HA29#
H_A#30
K4
HA30#
H_A#31
J5
HA31#
H_REQ#0
U2
HREQ0#
H_REQ#1
T7
HREQ1#
H_REQ#2
R7
HREQ2#
H_REQ#3
U5
HREQ3#
H_REQ#4
T4
HREQ4#
R5
3
H_ADSTB#0
HADSTB0#
N7
3
H_ADSTB#1
HADSTB1#
K8
BCLK#
J8
BCLK
HRCOMP1
AC13
HRCOMP1
HSWING1
AD13
HSWNG1
HRCOMP0
AC2
HRCOMP0
HSWING0
AA7
HSWNG0
AD4
3
H_DSTBN#0
HDSTBN0#
AF6
3
H_DSTBN#1
HDSTBN1#
AD11
3
H_DSTBN#2
HDSTBN2#
AC15
3
H_DSTBN#3
HDSTBN3#
AD3
3
H_DSTBP#0
HDSTBP0#
AG6
3
H_DSTBP#1
HDSTBP1#
AE11
3
H_DSTBP#2
HDSTBP2#
AC16
3
H_DSTBP#3
HDSTBP3#
AD5
3
H_DINV#0
DBI0#
AG5
3
H_DINV#1
DBI1#
AH9
3
H_DINV#2
DBI2#
AD15
3
H_DINV#3
DBI3#
AE17
H_CPURST#
CPURST#
M7
H_CPURST#
HVREF0
P8
HVREF1
AA9
HVREF2
AB12
HVREF3
AB16
HVREF4
3,4,5,15,16,17,37,39,42
+VCCP
R391
49.9_1%
MCH_GTLREF
C411
C429
C427
R390
100_1%
1UF
220PF
220PF
Title
855PM MCH (2 of 3)
Size
Project:
Document Number
A
855PM Platform
Date:
Monday, February 24, 2003
Sheet
D
E
H_D#[63:0] 3
H_D#0
AA2
HD0#
H_D#1
AB5
HD1#
H_D#2
AA5
HD2#
H_D#3
AB3
HD3#
H_D#4
AB4
HD4#
H_D#5
AC5
HD5#
4
H_D#6
AA3
HD6#
H_D#7
AA6
HD7#
H_D#8
AE3
HD8#
H_D#9
AB7
HD9#
H_D#10
AE5
HD10#
H_D#11
AF3
HD11#
H_D#12
AC6
HD12#
H_D#13
AC3
HD13#
H_D#14
AF4
HD14#
H_D#15
AE2
HD15#
H_D#16
AG4
HD16#
H_D#17
AG2
HD17#
H_D#18
AE7
HD18#
H_D#19
AE8
HD19#
H_D#20
AH2
HD20#
H_D#21
AC7
HD21#
H_D#22
AG3
HD22#
H_D#23
AD7
HD23#
H_D#24
AH7
HD24#
H_D#25
AE6
HD25#
H_D#26
AC8
HD26#
H_D#27
AG8
HD27#
H_D#28
AG7
HD28#
H_D#29
3
AH3
HD29#
H_D#30
AF8
HD30#
H_D#31
AH5
HD31#
H_D#32
AC11
HD32#
H_D#33
AC12
HD33#
H_D#34
AE9
HD34#
H_D#35
AC10
HD35#
H_D#36
AE10
HD36#
H_D#37
AD9
HD37#
H_D#38
AG9
HD38#
H_D#39
AC9
HD39#
H_D#40
AE12
HD40#
H_D#41
AF10
HD41#
H_D#42
AG11
HD42#
H_D#43
AG10
HD43#
H_D#44
AH11
HD44#
H_D#45
AG12
HD45#
H_D#46
AE13
HD46#
H_D#47
AF12
HD47#
H_D#48
AG13
HD48#
H_D#49
AH13
HD49#
H_D#50
AC14
HD50#
H_D#51
AF14
HD51#
H_D#52
AG14
HD52#
2
H_D#53
AE14
HD53#
H_D#54
AG15
HD54#
H_D#55
AG16
HD55#
H_D#56
AG17
HD56#
H_D#57
AH15
HD57#
H_D#58
AC17
HD58#
H_D#59
AF16
HD59#
H_D#60
AE15
HD60#
H_D#61
AH17
HD61#
H_D#62
AD17
HD62#
H_D#63
AE16
HD63#
1
Rev
7
of
4 7
E

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